alert udp $EXTERNAL_NET !161 -> $HOME_NET 49152: (msg:"ET SNMP Cisco Non-Trap PDU request on SNMPv2 random port"; content:"|02 01|"; depth:2; byte_test:1,>,0,0,relative; byte_test:1,<,3,0,relative; byte_test:1,>,159,9,relative; byte_test:1,<,167,9,relative; reference:cve,2004-0714; reference:bugtraq,10186; classtype:attempted-dos; sid:2002927; rev:7; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)